interface User {
    id?: string;
    username?: string;
    password?: string;
    phone?: string;
    is_admin?: boolean;
    head_portrait?: string;
    money?: number;
};

export class UserModel implements User {
    id?: string | undefined;
    username?: string | undefined;
    password?: string | undefined;
    phone?: string | undefined;
    is_admin?: boolean | undefined;
    head_portrait?: string | undefined;
    money?: number | undefined;
}